Flutter Convert Int Integer Variable to String Data Type Dart Example

Flutter comes with inbuilt string methods and one of them is String toString() function which is used in Flutter to cast Int Variable to String type. The String toString() function returns integer into String format so we can easily use the number directly as String data type. So in this tutorial we would Flutter Convert Int Integer Variable to String Data Type in Dart on button click on app runtime Android iOS example tutorial.

Contents in this project Flutter Convert Int Integer Variable to String Data Type Dart Android iOS Example Tutorial:

1. Import material.dart package in your app’s main.dart file.

2. Create void main runApp() method and call our main MyApp class here.

3. Create our main MyApp class extends with State less widget and here we would call the Convert() class in body section.

4. Create Convert class extends with StatefulWidget. In this class we would call the ConvertWidget class using createState() method. Which would enable the State management in given class tree.

5. Create our child class named as ConvertWidget extends with State.

6. In ConvertWidget class we would make a Integer variable named as value with some random value and a String variable named as holder. At this point we would not assign any value to String variable.

7. Create a function named as changeType(). In this function we would use the setState() method of flutter to update runtime and convert the Integer variable as String using String toString() variable.

8. Create widget build area in ConvertWidget class and here we would make a Text widget and 1 Raised Button widget. We would use the Text widget to display the converted number.

9. Complete source code for main.dart file:

Screenshots:

Flutter Convert Int Integer Variable to String Data Type Dart Example

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